An overhead line problem in Nottinghamshire has caused long delays to the East Coast Mainline.
Trains from London to Doncaster and Scotland are delayed by up to 90 minutes.
Services on East Midlands Trains services are also disrupted.
Replacement coach services are running between Grantham and Newark North Gate.
Read more about this on the National Rail Enquiries website.
Becoming dry and clear tonight, sunny spells tomorrow.
Fine and mostly dry, with sunny spells and isolated showers.
Mainly dry with some sunny spells. Feeling warmer.